Add cross-platform UI based on Avalonia

Git-Credential-Manager.sln

@@ -73,6 +73,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Packaging.Linux", "src\linu
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "linux", "linux", "{8F9D7E67-7DD7-4E32-9134-423281AF00E9}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GitHub.UI", "src\shared\GitHub.UI\GitHub.UI.csproj", "{B5F00B46-FE93-45F2-B283-52B74B3E13B9}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Atlassian.Bitbucket.UI", "src\shared\Atlassian.Bitbucket.UI\Atlassian.Bitbucket.UI.csproj", "{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.Git.CredentialManager.UI", "src\shared\Microsoft.Git.CredentialManager.UI\Microsoft.Git.CredentialManager.UI.csproj", "{001846B0-462B-4A27-90CD-2435D4C0F680}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -315,6 +321,54 @@ Global
 		{AD2A935F-3720-4802-8119-6A9B35B254DF}.WindowsDebug|Any CPU.ActiveCfg = Debug|Any CPU
 		{AD2A935F-3720-4802-8119-6A9B35B254DF}.WindowsRelease|Any CPU.ActiveCfg = Release|Any CPU
 		{AD2A935F-3720-4802-8119-6A9B35B254DF}.LinuxRelease|Any CPU.Build.0 = Release|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.MacDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.MacDebug|Any CPU.Build.0 = Debug|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.MacRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.MacRelease|Any CPU.Build.0 = Release|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.WindowsDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.WindowsDebug|Any CPU.Build.0 = Debug|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.WindowsRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.WindowsRelease|Any CPU.Build.0 = Release|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.LinuxDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.LinuxDebug|Any CPU.Build.0 = Debug|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.LinuxRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9}.LinuxRelease|Any CPU.Build.0 = Release|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.MacDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.MacDebug|Any CPU.Build.0 = Debug|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.MacRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.MacRelease|Any CPU.Build.0 = Release|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.WindowsDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.WindowsDebug|Any CPU.Build.0 = Debug|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.WindowsRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.WindowsRelease|Any CPU.Build.0 = Release|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.LinuxDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.LinuxDebug|Any CPU.Build.0 = Debug|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.LinuxRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA}.LinuxRelease|Any CPU.Build.0 = Release|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.MacDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.MacDebug|Any CPU.Build.0 = Debug|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.MacRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.MacRelease|Any CPU.Build.0 = Release|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.Release|Any CPU.Build.0 = Release|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.WindowsDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.WindowsDebug|Any CPU.Build.0 = Debug|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.WindowsRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.WindowsRelease|Any CPU.Build.0 = Release|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.LinuxDebug|Any CPU.ActiveCfg = Debug|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.LinuxDebug|Any CPU.Build.0 = Debug|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.LinuxRelease|Any CPU.ActiveCfg = Release|Any CPU
+		{001846B0-462B-4A27-90CD-2435D4C0F680}.LinuxRelease|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -341,6 +395,9 @@ Global
 		{D34D31DF-B44A-45D3-9B39-73573077BAE0} = {66722747-1B61-40E4-A89B-1AC8E6D62EA9}
 		{8F9D7E67-7DD7-4E32-9134-423281AF00E9} = {A7FC1234-95E3-4496-B5F7-4306F41E6A0E}
 		{AD2A935F-3720-4802-8119-6A9B35B254DF} = {8F9D7E67-7DD7-4E32-9134-423281AF00E9}
+		{B5F00B46-FE93-45F2-B283-52B74B3E13B9} = {D5277A0E-997E-453A-8CB9-4EFCC8B16A29}
+		{EB1AA840-6FFF-4464-A9B2-0AEA36F615EA} = {D5277A0E-997E-453A-8CB9-4EFCC8B16A29}
+		{001846B0-462B-4A27-90CD-2435D4C0F680} = {D5277A0E-997E-453A-8CB9-4EFCC8B16A29}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {0EF9FC65-E6BA-45D4-A455-262A9EA4366B}

assets/gcm.xaml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Viewbox xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Stretch="Uniform">
+  <Canvas Name="svg815" Width="256" Height="256">
+    <Canvas.RenderTransform>
+      <TranslateTransform X="0" Y="0"/>
+    </Canvas.RenderTransform>
+    <Canvas.Resources/>
+    <Path xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Name="path8" Fill="#FFF05033" StrokeThickness="2.24708056">
+      <Path.Data>
+        <PathGeometry Figures="m 127.74219 0 c -4.21881 0 -8.43843 1.6093415 -11.65821 4.828125 L 92.875 28.041016 122.31445 57.482422 c 6.84425 -2.310946 14.68947 -0.761046 20.14258 4.693359 5.48141 5.488392 7.0192 13.400136 4.65039 20.267578 l 28.37696 28.376951 c 6.86492 -2.36579 14.78398 -0.83727 20.26562 4.6543 7.66374 7.66179 7.66374 20.07642 0 27.74023 -7.66486 7.66631 -20.07893 7.66631 -27.74805 0 -5.76254 -5.76724 -7.18821 -14.23373 -4.26953 -21.33398 l -26.46289 -26.464844 -0.002 69.640624 c 1.8684 0.92496 3.63248 2.16064 5.18945 3.71094 7.66148 7.6609 7.66148 20.07236 0 27.74609 -7.66374 7.66066 -20.08459 7.66066 -27.74023 0 -7.66262 -7.67305 -7.66262 -20.08452 0 -27.74609 1.89369 -1.89039 4.08382 -3.32218 6.42187 -4.28125 V 94.199219 c -2.33912 -0.955028 -4.52734 -2.375687 -6.42383 -4.28125 -5.80409 -5.799832 -7.20125 -14.319608 -4.22461 -21.447266 L 81.466797 39.443359 4.8300781 116.08203 c -6.4393305 6.44252 -6.4393305 16.88229 0 23.32031 L 42.5 177.07227 V 162.70508 C 35.078345 157.16403 29.678851 149.02425 27.328125 140.07617 19.76286 115.647 40.902921 87.908596 66.359375 88.345703 76.747705 88.003924 87.132367 91.94485 94.875 98.837891 c 18.78493 15.372969 17.87151 47.496839 -0.888672 62.484379 l -2.566406 1.3457 0.222656 12.46503 -8.160156 8.24395 v 34.67578 l 33.119138 33.11915 c 6.43505 6.43757 16.87041 6.43757 23.31446 0 L 251.17188 139.92969 c 6.43732 -6.4407 6.43732 -16.88336 0 -23.32227 l 0.002 -0.01 L 139.39453 4.828125 C 136.1788 1.6093415 131.96099 0 127.74219 0 Z" FillRule="NonZero"/>
+      </Path.Data>
+    </Path>
+    <Path xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Name="path831" Fill="#FF4D4D4D" StrokeThickness="4.12109041">
+      <Path.Data>
+        <PathGeometry Figures="M 67.333984 94.333984 A 35.333332 35.333332 0 0 0 32 129.66602 A 35.333332 35.333332 0 0 0 48.5 159.54688 L 48.5 234.5 L 54.5 240 L 67 240 L 79 228 L 79 216.5 L 73 210 L 79 203.5 L 73 197 L 79 191 L 73 185.5 L 85.5 173 L 85.5 159.92188 A 35.333332 35.333332 0 0 0 102.66602 129.66602 A 35.333332 35.333332 0 0 0 67.333984 94.333984 z M 66.777344 109 A 9 9 0 0 1 75.777344 118 A 9 9 0 0 1 66.777344 127 A 9 9 0 0 1 57.777344 118 A 9 9 0 0 1 66.777344 109 z M 54.5 168 L 60.5 173 L 60.5 234.5 L 54.5 228 L 54.5 168 z " FillRule="NonZero"/>
+      </Path.Data>
+    </Path>
+  </Canvas>
+</Viewbox>

src/linux/Packaging.Linux/build.sh

@@ -44,6 +44,8 @@ ROOT="$( cd "$THISDIR"/../../.. ; pwd -P )"
 SRC="$ROOT/src"
 OUT="$ROOT/out"
 GCM_SRC="$SRC/shared/Git-Credential-Manager"
+BITBUCKET_UI_SRC="$SRC/shared/Atlassian.Bitbucket.UI"
+GITHUB_UI_SRC="$SRC/shared/GitHub.UI"
 PROJ_OUT="$OUT/linux/Packaging.Linux"
 
 # Build parameters
@@ -94,8 +96,26 @@ dotnet publish "$GCM_SRC" \
 	--configuration="$CONFIGURATION" \
 	--framework="$FRAMEWORK" \
 	--runtime="$RUNTIME" \
-    --self-contained=true \
-    "/p:PublishSingleFile=True" \
+	--self-contained=true \
+	-p:PublishSingleFile=true \
+	--output="$(make_absolute "$PAYLOAD")" || exit 1
+
+echo "Publishing Bitbucket UI helper..."
+dotnet publish "$BITBUCKET_UI_SRC" \
+	--configuration="$CONFIGURATION" \
+	--framework="$FRAMEWORK" \
+	--runtime="$RUNTIME" \
+	--self-contained=true \
+	-p:PublishSingleFile=true \
+	--output="$(make_absolute "$PAYLOAD")" || exit 1
+
+echo "Publishing GitHub UI helper..."
+dotnet publish "$GITHUB_UI_SRC" \
+	--configuration="$CONFIGURATION" \
+	--framework="$FRAMEWORK" \
+	--runtime="$RUNTIME" \
+	--self-contained=true \
+	-p:PublishSingleFile=true \
 	--output="$(make_absolute "$PAYLOAD")" || exit 1
 
 # Collect symbols

src/osx/Installer.Mac/Installer.Mac.csproj

@@ -13,6 +13,8 @@
 
   <ItemGroup>
     <ProjectReference Include="../../shared/Git-Credential-Manager/Git-Credential-Manager.csproj" ReferenceOutputAssembly="false" />
+    <ProjectReference Include="../../shared/Atlassian.Bitbucket.UI/Atlassian.Bitbucket.UI.csproj" ReferenceOutputAssembly="false" />
+    <ProjectReference Include="../../shared/GitHub.UI/GitHub.UI.csproj" ReferenceOutputAssembly="false" />
   </ItemGroup>
 
   <!-- Implicit SDK targets import (so we can override the default targets below) -->

src/osx/Installer.Mac/layout.sh

@@ -21,6 +21,8 @@ SRC="$ROOT/src"
 OUT="$ROOT/out"
 INSTALLER_SRC="$SRC/osx/Installer.Mac"
 GCM_SRC="$SRC/shared/Git-Credential-Manager"
+BITBUCKET_UI_SRC="$SRC/shared/Atlassian.Bitbucket.UI"
+GITHUB_UI_SRC="$SRC/shared/GitHub.UI"
 
 # Build parameters
 FRAMEWORK=net5.0
@@ -77,6 +79,20 @@ dotnet publish "$GCM_SRC" \
 	--runtime="$RUNTIME" \
 	--output="$(make_absolute "$PAYLOAD")" || exit 1
 
+echo "Publishing Bitbucket UI helper..."
+dotnet publish "$BITBUCKET_UI_SRC" \
+	--configuration="$CONFIGURATION" \
+	--framework="$FRAMEWORK" \
+	--runtime="$RUNTIME" \
+	--output="$(make_absolute "$PAYLOAD")" || exit 1
+
+echo "Publishing GitHub UI helper..."
+dotnet publish "$GITHUB_UI_SRC" \
+	--configuration="$CONFIGURATION" \
+	--framework="$FRAMEWORK" \
+	--runtime="$RUNTIME" \
+	--output="$(make_absolute "$PAYLOAD")" || exit 1
+
 # Collect symbols
 echo "Collecting managed symbols..."
 mv "$PAYLOAD"/*.pdb "$SYMBOLOUT" || exit 1

src/osx/SignFiles.Mac/SignFiles.Mac.csproj

@@ -20,15 +20,20 @@
 
   <ItemGroup>
     <FilesToSign Include="
+      $(OutDir)\Atlassian.Bitbucket.dll;
+      $(OutDir)\Atlassian.Bitbucket.UI.dll;
       $(OutDir)\git-credential-manager-core.dll;
       $(OutDir)\GitHub.dll;
+      $(OutDir)\GitHub.UI.dll;
       $(OutDir)\Microsoft.AzureRepos.dll;
       $(OutDir)\Microsoft.Git.CredentialManager.dll;">
       <Authenticode>Microsoft400</Authenticode>
       <InProject>false</InProject>
     </FilesToSign>
     <MacFilesToSign Include="
-      $(OutDir)\git-credential-manager-core;">
+      $(OutDir)\git-credential-manager-core;
+      $(OutDir)\GitHub.UI;
+      $(OutDir)\Atlassian.Bitbucket.UI;">
       <InProject>false</InProject>
     </MacFilesToSign>
   </ItemGroup>

src/shared/Atlassian.Bitbucket.UI/Atlassian.Bitbucket.UI.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+    <RuntimeIdentifiers>osx-x64;linux-x64</RuntimeIdentifiers>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Atlassian.Bitbucket\Atlassian.Bitbucket.csproj" />
+    <ProjectReference Include="..\Microsoft.Git.CredentialManager.UI\Microsoft.Git.CredentialManager.UI.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="Controls\TesterWindow.axaml.cs">
+      <DependentUpon>TesterWindow.axaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+    <AvaloniaResource Include="Assets\**" />
+  </ItemGroup>
+
+</Project>

src/shared/Atlassian.Bitbucket.UI/Commands/CredentialsCommand.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.CommandLine;
+using System.CommandLine.Invocation;
+using System.Threading;
+using System.Threading.Tasks;
+using Atlassian.Bitbucket.UI.ViewModels;
+using Atlassian.Bitbucket.UI.Views;
+using Microsoft.Git.CredentialManager;
+using Microsoft.Git.CredentialManager.UI;
+
+namespace Atlassian.Bitbucket.UI.Commands
+{
+    internal class CredentialsCommand : HelperCommand
+    {
+        public CredentialsCommand(CommandContext context)
+            : base(context, "userpass", "Show authentication prompt.")
+        {
+            AddOption(
+                new Option<string>("--username", "Username or email.")
+            );
+
+            Handler = CommandHandler.Create<string>(ExecuteAsync);
+        }
+
+        private async Task<int> ExecuteAsync(string userName)
+        {
+            var viewModel = new CredentialsViewModel(Context.Environment)
+            {
+                UserName = userName
+            };
+
+            await AvaloniaUi.ShowViewAsync<CredentialsView>(viewModel, GetParentHandle(), CancellationToken.None);
+
+            if (!viewModel.WindowResult)
+            {
+                throw new Exception("User cancelled dialog.");
+            }
+
+            WriteResult(new Dictionary<string, string>
+            {
+                ["username"] = viewModel.UserName,
+                ["password"] = viewModel.Password,
+            });
+
+            return 0;
+        }
+    }
+}

src/shared/Atlassian.Bitbucket.UI/Commands/OAuthCommand.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.CommandLine;
+using System.CommandLine.Invocation;
+using System.Threading;
+using System.Threading.Tasks;
+using Atlassian.Bitbucket.UI.ViewModels;
+using Atlassian.Bitbucket.UI.Views;
+using Microsoft.Git.CredentialManager;
+using Microsoft.Git.CredentialManager.UI;
+
+namespace Atlassian.Bitbucket.UI.Commands
+{
+    internal class OAuthCommand : HelperCommand
+    {
+        public OAuthCommand(CommandContext context)
+            : base(context, "oauth", "Show OAuth required prompt.")
+        {
+            Handler = CommandHandler.Create(ExecuteAsync);
+        }
+
+        private async Task<int> ExecuteAsync()
+        {
+            var viewModel = new OAuthViewModel(Context.Environment);
+            await AvaloniaUi.ShowViewAsync<OAuthView>(viewModel, GetParentHandle(), CancellationToken.None);
+
+            if (!viewModel.WindowResult)
+            {
+                throw new Exception("User cancelled dialog.");
+            }
+
+            WriteResult(new Dictionary<string, string>
+            {
+                ["continue"] = "true"
+            });
+
+            return 0;
+        }
+    }
+}

src/shared/Atlassian.Bitbucket.UI/Controls/TesterWindow.axaml

@@ -0,0 +1,13 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="Atlassian.Bitbucket.UI.Controls.TesterWindow"
+        Title="Bitbucket Authentication Dialog Tester"
+        Height="240" Width="420" CanResize="False">
+    <DockPanel>
+        <Button Content="Show Credentials Dialog" Padding="10" Click="ShowCredentials" />
+        <Button Content="Show OAuth Dialog" Padding="10" Click="ShowOAuth" />
+    </DockPanel>
+</Window>

src/shared/Atlassian.Bitbucket.UI/Controls/TesterWindow.axaml.cs

@@ -0,0 +1,68 @@
+using Atlassian.Bitbucket.UI.ViewModels;
+using Atlassian.Bitbucket.UI.Views;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using Microsoft.Git.CredentialManager;
+using Microsoft.Git.CredentialManager.Interop.Linux;
+using Microsoft.Git.CredentialManager.Interop.MacOS;
+using Microsoft.Git.CredentialManager.Interop.Posix;
+using Microsoft.Git.CredentialManager.Interop.Windows;
+using Microsoft.Git.CredentialManager.UI.Controls;
+
+namespace Atlassian.Bitbucket.UI.Controls
+{
+    public class TesterWindow : Window
+    {
+        private readonly IEnvironment _environment;
+
+        public TesterWindow()
+        {
+            InitializeComponent();
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            if (PlatformUtils.IsWindows())
+            {
+                _environment = new WindowsEnvironment(new WindowsFileSystem());
+            }
+            else
+            {
+                IFileSystem fs;
+                if (PlatformUtils.IsMacOS())
+                {
+                    fs = new MacOSFileSystem();
+                }
+                else
+                {
+                    fs = new LinuxFileSystem();
+                }
+
+                _environment = new PosixEnvironment(fs);
+            }
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        private void ShowCredentials(object sender, RoutedEventArgs e)
+        {
+            var vm = new CredentialsViewModel(_environment);
+            var view = new CredentialsView();
+            var window = new DialogWindow(view) {DataContext = vm};
+            window.ShowDialog(this);
+        }
+
+        private void ShowOAuth(object sender, RoutedEventArgs e)
+        {
+            var vm = new OAuthViewModel(_environment);
+            var view = new OAuthView();
+            var window = new DialogWindow(view) {DataContext = vm};
+            window.ShowDialog(this);
+        }
+    }
+}